Grundfos magna3 User Manual

Installation
MAGNA3
7
39
Fig. 55 Example of connections in the control box of terminal-connected versions
Fig. 56 Example of connections in the control box of wire-to-wire connected versions
For further information on digital and analog inputs,
see Digital inputs, page 29, and Analog input for an
external sensor, page 30.
For information on relay outputs, see Relay outputs,
page 30.
For details on how to install and operate the MAGNA3
pumps, please see the MAGNA3 model D - Installation
and operating instructions:
TM07 0364 1518
LN
L
N
NC NO
C
NC NO
C
S/S
M
A
M
I
24V
IN
Power
Operation
Alarm
Analog input
Relay 1 Relay 2
Digital input
GFCI
Vcc
Signal
Sensor
Use C and NC for fault signals
as this enables serial connections
of more relays and detection
of signal cable defects.
Start/stop
On/off
timer
TM07 1623 1918
NC NO
C
NC NO
C
S/S
M
A
M
I
24V
IN
Analog input
Digital input
Relay 1
Relay 2
Operation
Alarm
Vcc Signal
Sensor
Use C and NC for fault signals
as this enables serial
connections of more relays and
detection
of signal cable defects.
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Grundfos magna3 Specifications

General

Liquid Temperature Range	-10°C to +110°C
Max Operating Pressure	16 bar
Type	Circulator Pump
Series	MAGNA3
Operating Temperature Range	-10°C to +110°C
Ambient Temperature Range	0°C to +40°C
Protection Class	IPX4D
Power Supply	1 x 230 V, 3 x 230 V, 3 x 400 V
Control Mode	Constant pressure, Proportional pressure
Communication	Modbus RTU
Pump Housing	Cast Iron
Impeller	Composite
Enclosure Class	X4D
Approvals	CE, EAC
Connection	Flange
Weight	Varies depending on model
Power Consumption	Varies depending on model